*{
    margin: 0;
    padding: 0;
}
.clearfix:before,
.clearfix:after{
    content: "";
    display: block;
    clear: both;
}
nav{
    background-color: #000000;
    height: 60px;
}
.nav ul li{
    list-style: none;
    float: left;
}
.nav ul .btn1 a,.nav ul .btn1{
    background-color: #fff;
    color: #000000;
}
.nav ul li a{
    color: #ffffff;
    padding: 18px 21px;
    height: 60px;
    line-height: 60px;
}
.nav ul li a:hover,.nav ul li:hover{
    color: #000;
    height: 60px;
    line-height: 60px;
    background-color: #fff;
    text-decoration: none;
}
header{
    padding-top: 132px;
    padding-bottom: 135px;
    background-color: #2ba3d4;
    text-align: center;
}
.header p{
    margin: 0;
    padding: 0;
    color: #ffffff;
}
.header img{
    margin-bottom: 42px;
}
.header{
    text-align: center;
}
.header .p1{
    margin-bottom: 42px;
}
.header a{
    padding: 18px 32px;
    background-color: #fff;
    border-radius: 5px;
    line-height: 50px;
}
.header a{
    color: #66a3d4;
}
.header a:hover{
    text-decoration: none;
    color: #66a3d4;
}
.main{
    padding-top: 134px;
    padding-bottom: 122px;
    background-color: #3dc0f1;
}
.main p{
    margin: 0;
    padding: 0;
}
.pp1{
    text-align: center;
    margin-bottom: 70px;
}
.pp1 p, h1{
    color: #fff;
}
.pp2 p, h4{
    color: #fff;
    font-size: 14px;
}
.namber{
    text-align: center;
    padding-bottom: 100px;
}
.namber p{
    font-size: 36px;
    color: #000;
    margin-top: 126px;
    margin-bottom: 90px;
}
.div-1{
    padding: 20px;
    border-top: 1px #e5e5e5 solid;
    border-left: 1px #e5e5e5 solid;
    border-right: 1px #e5e5e5 solid;
    border-bottom: 1px #0ba1d8 solid;
}
.pp4{
    margin-top: 10px;
    margin-bottom: 62px;
}
.div-1 p{
    font-size: 15px;
    margin: 0;
    padding: 0;
}
.pp3{
    margin-top: 20px;
    text-align: center;
}
.pp3 p{
    margin-top: 15px;
}
footer{
    text-align: center;
    background-color: #252525;
    padding-top: 124px;
    padding-bottom: 124px;
}
footer p{
    font-size: 14px;
    margin: 0;
    padding: 0;
    color: #ffffff;
}
@media (max-width: 600px) {
    .pp6{
        margin-bottom: 10px;
    }
    .pp2{
        text-align: center;
    }
    nav{
        height: 370px;
        width: 100%;
    }
    .nav ul li{
        text-align: center;
        width: 100%;
    }
    .nav ul li a{
        color: #ffffff;
        padding: 18px 21px;
        height: 60px;
        line-height: 60px;
    }
}